‘Game Of Thrones’ Teases Season 4 With Extended Featurette: Video

HBO today unveiled a 15-minute sneak peek at the upcoming fourth season of Game Of Thrones, which returns April 6. “Some of the most shocking and mindblowing scenes of the entire series come at the end of this coming season,” teases co-creator David Benioff in the extended promo. Check out the behind the scenes vid with upcoming season clips and cast and crew interviews: